Root Directory - Start here for access to the entire volume. 

AAREADME.TXT - Introduction to the lunar radar archive. Read this first.
ERRATA.TXT - Comments and errata concerning the archive volume.
VOLDESC.CAT - Description of the volume contents as a PDS catalog object.

INDEX Directory

• INDXINFO.TXT - Tells what's in this directory.
• INDEX.TAB - A list of all data files in the archive. Use this file to browse the data. This file is described by the label INDEX.LBL.

DATA Directory- Image files in the data directory are organized into folders based on NASA data processing level. Each image has an accompanying detached PDS label. These files are described in DATAINFO.TXT.

LEVEL1, LEVEL2

BROWSE Directory- Contains TIFF and JPEG browse versions of the image files in the data directory, organized into folders based on NASA data processing level. Also includes JPEG browse mosaics of the lunar nearside. Each image has an accompanying detached PDS label. These files are described in BROWINFO.TXT.

LEVEL1, LEVEL2, MOSAICS

DOCUMENT Directory

• DOCINFO.TXT - Tells what's in this directory.
• LUNAR_RADAR.PDF - This paper describes the general approach to the data collection and reduction of the archive. This PDF file is described by the label LUNAR_RADAR.LBL.

CATALOG Directory

• CATINFO.TXT - Tells what's in this directory. All these files are ASCII text files.
• LRM_DS.CAT - Data set description.
• RTLS_INST.CAT, GBT_INST.CAT - Instrument descriptions.
• ARCB_INSTHOST.CAT, NRAO_INSTHOST.CAT- Instrument host descriptions.
• DSMAP.CAT - Sinusoidal map projection description.
• DSMAP_POLAR.CAT - Polar map projection description.
• PERSON.CAT - Personnel associated with this archive volume.
• REF.CAT - References mentioned in the above catalog files.